🚀 go-pugleaf

This warning (line 749) has been here since 1.35 at least:

<stuff deleted>
cc -O  -o genemit genemit.o rtl.o obstack.o
./genemit md > tmp-insn-emit.c
./move-if-change tmp-insn-emit.c insn-emit.c
touch stamp-emit.c
cc -O -I. -I. -I./config -c insn-emit.c
ccom: Warning: insn-emit.c, line 729: statement not reached
        operand0 = emit_operand[0];
      ----------------------------^
ccom: Warning: insn-emit.c, line 749: zero or negative subscript
        rtx emit_operand[0];
      --------------------^